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Journal of Epidemiology and Community Health|February 29, 2000
Homocysteine, folate, vitamin B12, and cardiovascular risk in Indians, Malays, and Chinese in SingaporeK Hughes, C N OngOccupational Medicine (Philadelphia, Pa.)|April 1, 1990
Shiftwork in developing countries: current issues and trendsC N Ong, K KogiJournal of Epidemiology and Community Health|June 9, 1998
Vitamins, selenium, iron, and coronary heart disease risk in Indians, Malays, and Chinese in SingaporeK Hughes, C N OngThe British Journal of Dermatology|May 8, 1999
Phytophotodermatitis due to the application of citrus hystrix as a folk remedyD Koh, C N OngInternational Archives of Occupational and Environmental Health|January 1, 1994
Blood and urinary benzene determined by headspace gas chromatography with photoionization detection: application in biological monitoring of low-level nonoccupational exposureP W Kok, C N OngBritish Journal of Industrial Medicine|August 1, 1980
High affinity of lead for fetal haemoglobinC N Ong, W R LeeBritish Journal of Industrial Medicine|February 1, 1980
Distribution of lead-203 in human peripheral blood in vitroC N Ong, W R LeeJournal of Chromatography. A|July 25, 2000
Comparative analysis of tea catechins and theaflavins by high-performance liquid chromatography and capillary electrophoresisB L Lee, C N OngJournal of Chromatography. B, Biomedical Applications|October 3, 1994
Determination of benzene and its metabolites: application in biological monitoring of environmental and occupational exposure to benzeneC N Ong, B L LeeEnvironmental Research|March 7, 2000
Lead exposure among small-scale battery recyclers, automobile radiator mechanics, and their children in Manila, the PhilippinesM L Suplido, C N OngPageof 20